<template>
  <div :id="idName" :style="{ width: width, height: height }" />
</template>

<script>
import chinaJson from '@/assets/china.json';
export default {
  props: {
    idName: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '100%'
    }
  },
  data() {
    return {
      chart: null
    };
  },
  mounted() {
    this.initChart();
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    // 释放图表实例
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = this.$echarts.init(document.getElementById(this.idName));
      this.$echarts.registerMap('china', chinaJson);
      this.chart.setOption(this.getOptions());
    },
    getOptions() {
      var chinaGeoCoordMap = {
        黑龙江: [127.9688, 45.368],
        内蒙古: [110.3467, 41.4899],
        吉林: [125.8154, 44.2584],
        北京市: [116.4551, 40.2539],
        辽宁: [123.1238, 42.1216],
        河北: [114.4995, 38.1006],
        天津: [117.4219, 39.4189],
        山西: [112.3352, 37.9413],
        陕西: [109.1162, 34.2004],
        甘肃: [103.5901, 36.3043],
        宁夏: [106.3586, 38.1775],
        青海: [101.4038, 36.8207],
        新疆: [87.611053, 43.828171],
        西藏: [91.117212, 29.646922],
        四川: [103.9526, 30.7617],
        重庆: [108.384366, 30.439702],
        山东: [117.1582, 36.8701],
        河南: [113.4668, 34.6234],
        江苏: [118.8062, 31.9208],
        安徽: [117.29, 32.0581],
        湖北: [114.3896, 30.6628],
        浙江: [119.5313, 29.8773],
        福建: [119.4543, 25.9222],
        江西: [116.0046, 28.6633],
        湖南: [113.0823, 28.2568],
        贵州: [106.6992, 26.7682],
        云南: [102.9199, 25.4663],
        广东: [113.12244, 23.009505],
        广西: [108.479, 23.1152],
        海南: [110.3893, 19.8516],
        台湾: [120.702967, 24.123621],
        上海: [121.4648, 31.2891]
      };
      var chinaDatas = [
        [
          {
            name: '北京市',
            value: 0
          },
          {
            name: '黑龙江',
            value: 0
          },
          { name: '上海市' }
        ],
        [
          {
            name: '内蒙古',
            value: 0
          }
        ],
        [
          {
            name: '吉林',
            value: 0
          }
        ],
        [
          {
            name: '辽宁',
            value: 0
          }
        ],
        [
          {
            name: '河北',
            value: 0
          }
        ],
        [
          {
            name: '天津',
            value: 0
          }
        ],
        [
          {
            name: '山西',
            value: 0
          }
        ],
        [
          {
            name: '陕西',
            value: 0
          }
        ],
        [
          {
            name: '甘肃',
            value: 0
          }
        ],
        [
          {
            name: '新疆',
            value: 0
          }
        ],
        [
          {
            name: '西藏',
            value: 0
          }
        ],
        [
          {
            name: '台湾',
            value: 0
          }
        ],
        [
          {
            name: '黑龙江',
            value: 0
          }
        ],
        [
          {
            name: '云南',
            value: 0
          }
        ],
        [
          {
            name: '宁夏',
            value: 0
          }
        ],
        [
          {
            name: '青海',
            value: 0
          }
        ],
        [
          {
            name: '四川',
            value: 0
          }
        ],
        [
          {
            name: '重庆',
            value: 0
          }
        ],
        [
          {
            name: '山东',
            value: 0
          }
        ],
        [
          {
            name: '河南',
            value: 0
          }
        ],
        [
          {
            name: '江苏',
            value: 0
          }
        ],
        [
          {
            name: '安徽',
            value: 0
          }
        ],
        [
          {
            name: '湖北',
            value: 0
          }
        ],
        [
          {
            name: '浙江',
            value: 0
          }
        ],
        [
          {
            name: '福建',
            value: 0
          }
        ],
        [
          {
            name: '江西',
            value: 0
          }
        ],
        [
          {
            name: '湖南',
            value: 0
          }
        ],
        [
          {
            name: '贵州',
            value: 0
          }
        ],
        [
          {
            name: '广西',
            value: 0
          }
        ],
        [
          {
            name: '海南',
            value: 0
          }
        ],
        [
          {
            name: '上海',
            value: 0
          }
        ]
      ];

      var convertData = function (data) {
        var res = [];
        for (var i = 0; i < data.length; i++) {
          var dataItem = data[i];
          var fromCoord = chinaGeoCoordMap[dataItem[0].name];
          var toCoord = [
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773],
            [119.5313, 29.8773]
          ]; // 被攻击点
          if (fromCoord && toCoord[i]) {
            res.push([
              {
                coord: toCoord[i]
              },
              {
                coord: fromCoord,
                value: dataItem[0].value
                // visualMap: false
              }
            ]);
          }
        }
        return res;
      };

      var series = [];
      [['浙江', chinaDatas]].forEach(function (item, i) {
        console.log(item);
        series.push(
          {
            type: 'map',
            mapType: 'china',
            aspectScale: 0.85,
            layoutCenter: ['50%', '50%'], // 地图位置
            layoutSize: '100%',
            zoom: 1, // 当前视角的缩放比例
            // roam: true, //是否开启平游或缩放
            scaleLimit: {
              // 滚轮缩放的极限控制
              min: 1,
              max: 2
            },
            itemStyle: {
              normal: {
                areaColor: '#12235c',
                borderColor: '#2ab8ff',
                borderWidth: 0.5,
                shadowColor: 'rgba(0,54,255, 0.4)',
                shadowBlur: 100
              },
              emphasis: {
                areaColor: '#02102b',
                label: {
                  color: '#fff'
                }
              }
            }
          },
          {
            type: 'lines',
            zlevel: 2,
            effect: {
              show: true,
              period: 3, // 箭头指向速度，值越小速度越快
              trailLength: 0.02, // 特效尾迹长度[0,1]值越大，尾迹越长重
              symbol: 'arrow', // 箭头图标
              symbolSize: 5 // 图标大小
            },
            lineStyle: {
              normal: {
                color: '#00eaff',
                width: 1, // 尾迹线条宽度
                opacity: 0.7, // 尾迹线条透明度
                curveness: 0.3 // 尾迹线条曲直度
              }
            },
            data: convertData(item[1])
          },
          {
            type: 'effectScatter',
            coordinateSystem: 'geo',
            zlevel: 2,
            rippleEffect: {
              // 涟漪特效
              period: 4, // 动画时间，值越小速度越快
              brushType: 'stroke', // 波纹绘制方式 stroke, fill
              scale: 4 // 波纹圆环最大限制，值越大波纹越大
            },
            label: {
              normal: {
                show: true,
                position: 'right', // 显示位置
                offset: [5, 0], // 偏移设置
                formatter: function (params) {
                  // 圆环显示文字
                  return params.data.name;
                },
                fontSize: 13
              },
              emphasis: {
                show: true
              }
            },
            symbol: 'circle',
            symbolSize: function (val) {
              return 5 + val[2] * 5; // 圆环大小
            },
            itemStyle: {
              normal: {
                show: true,
                color: '#00eaff'
              }
            },
            data: item[1].map(function (dataItem) {
              return {
                name: dataItem[0].name,
                value: chinaGeoCoordMap[dataItem[0].name].concat([
                  dataItem[0].value
                ])
                // visualMap: false
              };
            })
          },
          // 被攻击点
          {
            type: 'scatter',
            coordinateSystem: 'geo',
            zlevel: 2,
            rippleEffect: {
              period: 4,
              brushType: 'stroke',
              scale: 4
            },
            label: {
              normal: {
                show: false, // 定位点名字
                position: 'right',
                // offset:[5, 0],
                color: '#0f0',
                formatter: '{b}',
                textStyle: {
                  color: '#0f0'
                }
              },
              emphasis: {
                // show: false,   //定位标记
                color: '#f60'
              }
            },
            symbol: 'pin', // 定位图标样式
            symbolSize: 50,
            data: [
              {
                name: item[0],
                value: chinaGeoCoordMap[item[0]].concat([10])
              }
            ]
          }
        );
      });

      const option = {
        backgroundColor: '#061d4d',
        geo: {
          map: 'china',
          aspectScale: 0.85,
          layoutCenter: ['50%', '50%'], // 地图位置
          layoutSize: '100%',
          itemStyle: {
            normal: {
              shadowColor: '#276fce',
              shadowOffsetX: 0,
              shadowOffsetY: 15,
              opacity: 0.5
            },
            emphasis: {
              areaColor: '#276fce'
            }
          },
          regions: [
            {
              name: '南海诸岛',
              itemStyle: {
                areaColor: 'rgba(0, 10, 52, 1)',

                borderColor: 'rgba(0, 10, 52, 1)',
                normal: {
                  opacity: 0,
                  label: {
                    show: false,
                    color: '#009cc9'
                  }
                }
              },
              label: {
                show: false,
                color: '#FFFFFF',
                fontSize: 12
              }
            }
          ]
        },
        series: series
      };
      return option;
    }
  }
};
</script>
